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Heterocyclic building blocks

Omaciclovir

Also known as 2-HMHBG, 2-amino-9-[(2R)-4-hydroxy-2-(hydroxymethyl)butyl]-1H-purin-6-one, (R)-2-Amino-9-(4-hydroxy-2-(hydroxymethyl)butyl)-1H-purin-6(9H)-one

CAS 124265-89-0Formula C10H15N5O3Molar mass 253.26 g/mol
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Omaciclovir chemical structure, C10H15N5O3, CAS 124265-89-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
124265-89-0
Formula
C10H15N5O3
Molar mass
253.26 g/mol
HS code
293359
Category
Heterocyclic building blocks

What is Omaciclovir?

Plain description, key identifiers and synonyms

Omaciclovir is an acyclic guanosine analog with activity against varicella zoster virus (VZV) and other members of the herpesvirus family. Omaciclovir is selectively phosphorylated by viral thymidine kinase to its monophosphate form and is further modified to a triphosphate, which is an inhibitor of VZV DNA polymerase.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-amino-9-[(2R)-4-hydroxy-2-(hydroxymethyl)butyl]-1H-purin-6-one
CAS number
124265-89-0
Molecular formula
C10H15N5O3
UNII
C9H909GLI3
InChIKey
SCBFBAWJWLXVHS-ZCFIWIBFSA-N
InChI
InChI=1S/C10H15N5O3/c11-10-13-8-7(9(18)14-10)12-5-15(8)3-6(4-17)1-2-16/h5-6,16-17H,1-4H2,(H3,11,13,14,18)/t6-/m1/s1
Canonical SMILES
Nc1nc2c(ncn2CC(CO)CCO)c(=O)[nH]1
Isomeric SMILES
C1=NC2=C(N1C[C@@H](CCO)CO)N=C(NC2=O)N

Synonyms

  • 2-HMHBG
  • 2-amino-9-[(2R)-4-hydroxy-2-(hydroxymethyl)butyl]-1H-purin-6-one
  • (R)-2-Amino-9-(4-hydroxy-2-(hydroxymethyl)butyl)-1H-purin-6(9H)-one
  • 6H-Purin-6-one, 2-amino-1,9-dihydro-9-(4-hydroxy-2-(hydroxymethyl)butyl)- (R)-
  • 9-((R)-4-Hydroxy-2-(hydroxymethyl)butyl)guanine
  • 9-[(R)-4-Hydroxy-2-(hydroxymethyl)butyl]guanine
  • H 2G
  • Omaciclovir (USAN/INN)
  • (r)-9-[4-hydroxy-2-(hydroxymethyl)butyl]guanine
  • 2-Amino-9-[(2R)-4-hydroxy-2-(hydroxymethyl)butyl]-3,9-dihydro-6H-purin-6-one
  • 6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(2R)-4-hydroxy-2-(hydroxymethyl)butyl]-

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
253.26 g/molcalc.
Exact mass
253.1175 Dacalc.
LogP (octanol/water)
-1.31calc.
Topological polar surface area
130.1 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
5calc.
Heavy atoms
18calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.5calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=c1[nH]cnc2nc[nH]c12

O=c1[nH]cnc2nc[nH]c12

2 rings, 10 atoms, the Hypoxanthine ring system.

586 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Omaciclovir suppliers

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Omaciclovir price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Omaciclovir is traded under.

HS 2933.59Indicative HS code

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring, other

World exports in 2024
$18.4B
+10.5% vs 2023, imports $24.8B
2019 to 2024
Top exporters
  1. Ireland43.6%
  2. Switzerland * partner reported26.3%
  3. China7.9%
Top importers
  1. Slovenia30.3%
  2. United States30.1%
  3. Germany15.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Omaciclovir is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Omaciclovir, based on the data on this page

What is Omaciclovir?

Omaciclovir is an acyclic guanosine analog with activity against varicella zoster virus (VZV) and other members of the herpesvirus family. Omaciclovir is selectively phosphorylated by viral thymidine kinase to its monophosphate form and is further modified to a triphosphate, which is an inhibitor of VZV DNA polymerase.

What is the CAS number of Omaciclovir?

The CAS registry number of Omaciclovir is 124265-89-0.

What is the molecular formula and weight of Omaciclovir?

The molecular formula of Omaciclovir is C10H15N5O3 and its molar mass is 253.26 g/mol.

What is Omaciclovir used for?

Known uses and roles of Omaciclovir include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Omaciclovir hazardous?

No GHS hazard classification for Omaciclovir is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Omaciclovir?

Omaciclovir is usually classified under HS code 293359 (Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Omaciclovir?

Post a free request on CompoundList and suppliers of Omaciclovir will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Omaciclovir?

Suppliers quote Omaciclovir on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Omaciclovir

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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